Exterior — NHIE Practice Questions

88 questions in this content area. 9 are published in full below with worked explanations.

1. A band of stucco at the base of every wall is chronically damp long after rain. What is the likely mechanism?

AThe stucco was mixed with too much lime
BThe colour coat is trapping normal humidity
Wicking from soil or a missing weep screed at the base
DInterior humidity migrating outward through the wall

Why C is correct

Why this is correct: The governing concept is capillary action (wicking) and missing drainage. Stucco is porous and can wick moisture upward from the ground if it is in contact with soil or paving, or if the bottom edge lacks a weep screed (a metal piece that creates a gap for water to drain out). This causes a chronic damp band at the base. The supplied explanation states stucco terminating into soil or lacking a weep screed wicks ground moisture upward. Why the other choices are wrong: "The stucco was mixed with too much lime" is wrong; mix proportions affect workability and curing, not localized chronic dampness. "The colour coat is trapping normal humidity" is wrong; the color coat is a finish and wouldn't cause dampness only at the base. "Interior humidity migrating outward through the wall" is wrong; interior humidity would likely cause more generalized or higher-up moisture issues, not a consistent band at the very bottom. Exam tip: A damp band at the base of all stucco walls points to a ground moisture or drainage issue, not an isolated leak.

2. A storm door installed on a south-facing entry with a solid-core door behind it can:

AImprove the entry door's structural strength
Trap heat between the doors and damage the finish
CEliminate the need for weatherstripping entirely
DReduce the entry's security substantially

Why B is correct

Why this is correct: A storm door on a south-facing entry can create a sealed air space between doors. In direct sunlight, this space heats up excessively, potentially damaging the interior door's finish through heat buildup and moisture trapping. Why the other choices are wrong: "Improve the entry door's structural strength" is false; storm doors do not enhance structural integrity. "Eliminate the need for weatherstripping entirely" is incorrect; weatherstripping is still needed on both doors. "Reduce the entry's security substantially" is not necessarily true; many storm doors are secure. Exam tip: Recommend ventilated storm doors or light-colored finishes for sun-exposed entries to prevent heat damage.

3. An exterior door binds at its top corner and the gap along its top edge is wedge-shaped. What is worth considering?

AThe hinges have worn and need adjustment or replacement
BThe door slab has swollen with the season
CThe weatherstripping is folded into the gap
The opening itself may have moved out of square

Why D is correct

Why this is correct: A wedge-shaped gap at the top of a door indicates the door frame is out of square, meaning it is no longer a perfect rectangle. This is often caused by structural movement in the surrounding wall or foundation, not by a problem with the door itself. It's a symptom of a larger potential issue. Why the other choices are wrong: 'The hinges have worn and need adjustment or replacement' would typically cause sagging or misalignment at the latch side, not a wedge-shaped gap. 'The door slab has swollen with the season' would cause binding around the entire perimeter, not just a top corner. 'The weatherstripping is folded into the gap' might cause binding but wouldn't create a visible wedge-shaped gap in the door-to-frame space. Exam tip: A racked (out-of-square) door frame is a structural clue. Look for other signs of settlement or movement nearby.

4. An exterior door that swings open on its own indicates:

The frame is out of plumb, often from movement
BThe door slab itself was manufactured slightly warped
CThe hinges have been over-lubricated
DNormal behavior for any exterior door

Why A is correct

Why this is correct: An exterior door that swings open on its own indicates the frame is out of plumb, often due to foundation movement or settling, as gravity acts on the misaligned door. Why the other choices are wrong: "The door slab itself was manufactured slightly warped" would cause binding, not swinging. "The hinges have been over-lubricated" does not cause a door to swing open. "Normal behavior for any exterior door" is false; a properly installed door should stay in place when closed. Exam tip: A self-opening door is a classic symptom of an out-of-plumb frame, prompting further investigation for settlement.

5. Holes and gnawed openings in soffit panels most often indicate what?

AWoodpeckers feeding on insects living in the trim
BHail damage from a past storm
Animals entering the attic or roof cavity
DDeterioration of the panel material itself

Why C is correct

Why this is correct: Holes and gnawed openings in soffits are classic signs of animal entry points. Squirrels, raccoons, birds, and rodents chew or claw their way into attics for shelter. This finding implies potential damage inside the attic, such as chewed wires, soiled insulation, or nesting debris. Why the other choices are wrong: 'Woodpeckers feeding on insects living in the trim' could cause holes, but animal entry is the most common and consequential cause. 'Hail damage from a past storm' would typically create dents or punctures without gnawing marks. 'Deterioration of the panel material itself' might cause cracks but not the distinct gnawed openings described. Exam tip: Soffit damage often leads inward. Report the opening and recommend checking the attic for associated damage.

6. Paint is peeling from one wall of a house while the others are sound. What should an inspector consider?

AThat the paint on that wall was a different brand
That moisture may be reaching the siding from behind
CThat the wall receives more direct sunlight than others
DThat the siding on that wall is older than the rest

Why B is correct

Why this is correct: Localized paint peeling, especially when other walls are sound, suggests moisture is pushing the paint off from behind. This pattern often indicates an interior moisture source (like a bathroom or kitchen) or a concealed leak, rather than general weathering or paint failure. Why the other choices are wrong: 'That the paint on that wall was a different brand' is wrong; brand difference alone wouldn't cause isolated peeling. 'That the wall receives more direct sunlight than others' is incorrect; sun exposure typically causes fading or alligatoring, not peeling from behind. 'That the siding on that wall is older than the rest' is wrong; age difference might cause uniform deterioration, not localized peeling. Exam tip: Isolated paint peeling often points to hidden moisture from inside or a leak.

7. Soffit panels sagging away from the framing along one elevation most likely indicate:

AThe soffit color has faded badly and shrunk the panel material
BThe panels were cut slightly short at installation
CWind pressure has flexed the panels over time
Water has been entering and deteriorating the framing above

Why D is correct

Why this is correct: Soffit panels are attached to framing (like rafter tails or lookouts). Sagging indicates the supporting framing has deteriorated, most commonly from water intrusion from a roof edge, gutter overflow, or ice dam above that location. Why the other choices are wrong: 'The soffit color has faded badly and shrunk the panel material' is unlikely; fading doesn't cause structural sagging. 'The panels were cut slightly short at installation' would create gaps, not sagging. 'Wind pressure has flexed the panels over time' might cause loosening, but sustained sagging points to a failure of the support structure. Exam tip: Soffit sag points upward to the problem. Follow the sag to find the water source above.

8. Why does an inspector look for a kickout flashing where a roof edge meets a wall?

AIt supports the last course of roof covering
BIt ventilates the wall cavity at that point
CIt secures the gutter to the fascia below
It diverts roof runoff out into the gutter

Why D is correct

Why this is correct: Kickout flashing is installed where a roof edge meets a wall. Its purpose is to divert roof runoff away from the wall and into the gutter, preventing water from entering the wall cavity. Why the other choices are wrong: 'It supports the last course of roof covering' is wrong because support is provided by the roof deck, not kickout flashing. 'It ventilates the wall cavity at that point' is wrong because ventilation is not its function. 'It secures the gutter to the fascia below' is wrong because gutter attachment is separate. Exam tip: Missing kickout = water into wall. Damage is often hidden until severe.

9. Why is trim made of finger-jointed wood more vulnerable outdoors than clear lumber?

AIt cannot hold paint on its planed surfaces
BIt is always installed without back-priming
CIt shrinks far more than clear lumber in direct sun
Its glue joints open and admit water as the coating ages

Why D is correct

Why this is correct: Finger-jointed wood is made by gluing short pieces end-to-end. As the wood and paint age, these glued joints are prone to opening due to differential movement. Once the paint cracks at a joint, water enters the exposed end grain directly, leading to localized failure much faster than in clear, continuous lumber. Why the other choices are wrong: 'It cannot hold paint on its planed surfaces' is false; paint adhesion on the surface is not the issue. 'It is always installed without back-priming' is an assumption; priming practices vary. 'It shrinks far more than clear lumber in direct sun' is incorrect; shrinkage is related to moisture content, not the jointing method. Exam tip: Look for paint failure in a repeating pattern along trim; it often aligns with the hidden finger joints underneath.

79 more Exterior questions

Answers and explanations for these are in the study app.

A deck attached to a house with no flashing at the ledger is a concern because:
A deck built with untreated lumber in contact with soil will:
A deck guard feels solid but its posts are notched where they bolt to the rim. Why can this matter?
A deck ledger is fastened to the house with nails only. Why is this reported?
A deck's stair stringers rest directly on soil at the bottom. The concern is:
A door's weatherstripping is compressed flat and the door shows daylight at the latch side. The report should:
A sliding patio door that is difficult to operate and shows worn tracks:
A stucco wall with hairline cracks in a random pattern across a large area suggests:
A wall shows a horizontal band of nail heads rusting through the paint. What does this suggest?
A weather-resistive barrier behind siding is lapped with upper courses over lower ones because:
Aluminum soffit panels with numerous small perforations serve to:
Blistering paint on wood siding, with the blisters containing bare wood beneath, suggests:
Brick veneer showing a stair-step crack near a corner, with the crack wider at the top, suggests:
Brick veneer weep holes at the base of a wall that have been filled with mortar will:
Caulk applied along the entire perimeter of a window, including the bottom edge, can:
Composite hardboard siding is swollen and crumbling along its bottom edges. What does this indicate?
Condensation forming between the panes of one window while others stay clear indicates:
Deck framing fasteners that show heavy black staining and corrosion in contact with the lumber suggest:
Deck guard posts bolted only through the rim joist, with no blocking or hold-down hardware, are:
Deck joists notched over the top of a beam rather than resting fully on it may:
Deck stairs with no handrail on either side should be reported as:
Drip edge installed at a roof's eave serves to:
EIFS (synthetic stucco) without a drainage plane behind it is a concern because:
Fascia board rot concentrated at the ends of a run typically indicates:
Fiber cement siding installed with its bottom edge in contact with the roof surface should be reported because:
Hardboard siding that is swollen and delaminating along its bottom edges indicates:
Housewrap installed with the printed side facing the sheathing:
How can an inspector often recognise safety glazing in place?
How many windows does an inspector normally operate?
Kickout flashing is installed where:
Missing head flashing above a window is a concern because:
Rot at the bottom corners of a window's exterior casing usually traces to:
Rot at the bottom ends of trim boards and corner boards, with sound material above, points to:
Sealant used as the primary weather barrier at a wall penetration rather than flashing is a concern because:
Siding installed directly against a concrete porch slab with no clearance will:
Two different siding materials meeting at a wall without a transition detail is a concern because:
Vinyl siding that has been face-nailed tightly rather than hung loosely will:
Vinyl soffit that has become brittle and cracked with age indicates:
What are soffit vents for?
What clearance is expected between wood siding and the earth?
What does a storm door's closer chain hanging loose usually mean for the inspection?
What does an inspector check about a deck guard?
What does an inspector consider when stucco shows cracking?
What does an inspector examine about deck stairs?
What does an inspector look for above an exterior window or door opening?
What does an inspector look for at a deck's joist hangers?
What does an inspector look for at the butt joints and cut edges of fibre cement siding?
What does an inspector look for where a deck ledger meets the house wall?
What does an inspector note about weep holes filled with mortar or sealant?
What does chalky powder rubbing off old siding paint indicate?
What does fogging or a film between the panes of a window indicate?
What does peeling paint and soft wood at the bottom rail of a wood window sash indicate?
What does staining on the siding directly below a window corner usually indicate?
What does staining or deterioration of a soffit most often indicate?
What is the function of weep holes in a brick veneer wall?
What is the most common cause of paint failure on wood siding?
What is the purpose of a water-resistive barrier behind the cladding?
What is the purpose of pan flashing beneath a window?
What is the purpose of safety glazing in a door's glass panel?
What limits what an inspector can say about the wall assembly behind the siding?
What should an inspector note about a deck built close to the ground with no ventilation beneath?
Where does an inspector expect to find flashing on a house exterior?
Which observation about any exterior wall is most important for the report when the cause is unclear?
Why do weep holes at the bottom of a window frame matter?
Why does an inspector examine hose bibs, light fixtures and vents on an exterior wall?
Why does an inspector look at how a deck beam sits on its posts?
Why does an inspector look closely at the fascia behind the gutter?
Why does an inspector note a light fixture mounted directly over unsealed siding holes?
Why does an inspector note deterioration at the bottom of an exterior door?
Why does an inspector note exposed rafter tails that are weathered and split?
Why does an inspector note glazing located beside a door or close to the floor?
Why does an inspector note open joints in exterior trim at corners and butt joints?
Why does an inspector note siding installed with its bottom edges caulked shut?
Why does an inspector note vinyl siding that has been nailed tightly to the wall?
Why does an inspector probe deck posts at ground level?
Why is corrosion faster on fasteners in newer pressure-treated lumber?
Why is the lap direction of a water-resistive barrier important?
Why is untreated wood siding in contact with a concrete porch slab a concern?
Wood siding with visible gaps at butt joints and no caulking should be reported because:

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